$(document).ready(function(){

    $('.item .delete').click(function(){

        var elem = $(this).closest('.item');

        $.confirm({
            'title'		: 'Delete Confirmation',
            'message'	: 'You are about to delete this item. <br />It cannot be restored at a later time! Continue?',
            'buttons'	: {
                'Yes'	: {
                    'class'	: 'blue',
                    'action': function(){
                        elem.slideUp();
                    }
                },
                'No'	: {
                    'class'	: 'gray',
                    'action': function(){}	// Nothing to do in this case. You can as well omit the action property.
                }
            }
        });

    });

});